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Finding the Fourth Proportional to 357.02, 531.67 and 352.97

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Solution

The fourth proportional to 357.02, 531.67 and 352.97 is: 525.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    357.02 : 531.67 = 352.97 : x
  2. Step 2: Convert to fraction form
    357.02/531.67 = 352.97/x
  3. Step 3: Cross multiply
    357.02x = 531.67 × 352.97
  4. Step 4: Simplify right side
    357.02x = 187,660.02
  5. Step 5: Solve for x
    x = 187,660.02/357.02
  6. Step 6: Final answer
    x = 525.64

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.